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Finding the Fourth Proportional to 64,376.17, 88,799.49 and 40,483.19

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Solution

The fourth proportional to 64,376.17, 88,799.49 and 40,483.19 is: 55,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.17 : 88,799.49 = 40,483.19 : x
  2. Step 2: Convert to fraction form
    64,376.17/88,799.49 = 40,483.19/x
  3. Step 3: Cross multiply
    64,376.17x = 88,799.49 × 40,483.19
  4. Step 4: Simplify right side
    64,376.17x = 3,594,886,847.57
  5. Step 5: Solve for x
    x = 3,594,886,847.57/64,376.17
  6. Step 6: Final answer
    x = 55,841.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.